Conductive thermoplastic polyurethane

US10692624B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Frank Schaefer · Lörrach, DE
• Ernst Minder · Sissach, CH
• Dirk Kempfert · Dielingen, DE
• Christoph Bahr · Lembruch, DE
• Cornelia Hinrichs · Diepholz, DE
• Anja Oltmanns · Lemförde, DE

Key dates

• Filing date: Oct 14, 2014
• Grant date: Jun 23, 2020
• Expiry date: Dec 26, 2034

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K2201/017
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

The invention relates to a composition comprising a thermoplastic polyurethane, where the thermoplastic polyurethane has been prepared from a) a diisocyanate, b) a polyol comprising a polyol A and a polyol B and c) a chain extender, optionally with the aid of catalysts and optionally further comprising additives and/or auxiliaries, and a salt and/or an ionic liquid, preferably an ionic liquid, is comprised in the composition and the polyol A comprises ethoxy and propoxy groups and the polyol B comprises butoxy groups.